arcus 的定义
plural ar·cus.Meteorology.
- a dense, horizontal, roll-shaped cloud sometimes occurring at the lower front portion of a cumulonimbus.
更多arcus例句
- Cum hoc arcus ejus extenditur, et primo sagittam in partem contrariam transmittit, et unum interficit.
- The frustules are curved or arcuate (arcus, a bow) in the side view, oblong and narrowed at the ends in the front view.
- Du Cange gives arcus sellae equestris as one of the meanings of circus.
- They are called arcus horarum inequalium, as they shew the 'houres inequales.'
- Its claim, as the parent of projectile implements, is recognized in the common etymology of arcus, arcualia—artillery.